Question

make a concept map of science NCRT class 7 chapter 1 2 3 and 4​

Answer 1

Answer:

Explanation:

Alpha Centauri A is a yellow star much like our sun, Alpha Centauri B is an orange star, and Proxima Centauri is a red dwarf roughly seven times smaller than our sun. All three stars are around 4.85 billion years old, making them slightly older than the sun, which is around 4.6 billion years old.

Answer 2

Answer:

I don't know the answer.